code quality fixes

README.md

@@ -81,14 +81,14 @@ uv run uvicorn src.baby_monitor.main:app --reload --host 0.0.0.0 --port 8000
 
 ### Environment Variables
 
-| Variable         | Default      | Description                                   |
-| ---------------- | ------------ | --------------------------------------------- |
-| `ENVIRONMENT`    | `production` | Set to `development` to enable API docs       |
-| `ADMIN_PASSWORD` | _(required)_ | Admin user password                           |
-| `ADMIN_USERNAME` | `admin`      | Admin username                                |
-| `DATA_DIR`       | `/data`      | Directory for SQLite database (SQLite only)   |
-| `REDIS_URI`      | _(optional)_ | Redis connection URI for distributed tokens   |
-| `POSTGRES_URI`   | _(optional)_ | PostgreSQL connection URI for database storage|
+| Variable         | Default      | Description                                    |
+| ---------------- | ------------ | ---------------------------------------------- |
+| `ENVIRONMENT`    | `production` | Set to `development` to enable API docs        |
+| `ADMIN_PASSWORD` | _(required)_ | Admin user password                            |
+| `ADMIN_USERNAME` | `admin`      | Admin username                                 |
+| `DATA_DIR`       | `/data`      | Directory for SQLite database (SQLite only)    |
+| `REDIS_URI`      | _(optional)_ | Redis connection URI for distributed tokens    |
+| `POSTGRES_URI`   | _(optional)_ | PostgreSQL connection URI for database storage |
 
 ### Storage Options
 

src/baby_monitor/repositories/child/sqlite_child.py

@@ -15,7 +15,7 @@ from baby_monitor.models.db.child_parent import ChildParent
 
 class DatabaseChildRepository(ChildRepositoryInterface):
     """Database implementation for child data access.
-    
+
     Works with both SQLite and PostgreSQL databases.
     """
 

src/baby_monitor/repositories/child_invitation/sqlite_child_invitation.py

@@ -15,7 +15,7 @@ from baby_monitor.repositories.interfaces import (
 
 class DatabaseChildInvitationRepository(ChildInvitationRepositoryInterface):
     """Database implementation of child invitation repository.
-    
+
     Works with both SQLite and PostgreSQL databases.
     """
 
@@ -26,10 +26,10 @@ class DatabaseChildInvitationRepository(ChildInvitationRepositoryInterface):
     def _get_now_utc(self, reference_dt: datetime) -> datetime:
         """
         Get current UTC time matching the timezone awareness of reference.
-        
+
         Args:
             reference_dt: A datetime from DB to match timezone format
-        
+
         Returns:
             Current UTC time (naive for SQLite, aware for PostgreSQL)
         """
@@ -84,9 +84,7 @@ class DatabaseChildInvitationRepository(ChildInvitationRepositoryInterface):
     def verify_invitation(self, code: str) -> bool:
         """Verify if an invitation code is valid and not expired."""
         invitation = (
-            self.db.query(ChildInvitation)
-            .filter(ChildInvitation.code == code)
-            .first()
+            self.db.query(ChildInvitation).filter(ChildInvitation.code == code).first()
         )
 
         if not invitation:

src/baby_monitor/repositories/diaper_change/sqlite_diaper_change.py

@@ -16,7 +16,7 @@ from baby_monitor.models.db.child_parent import ChildParent
 
 class DatabaseDiaperChangeRepository(DiaperChangeRepositoryInterface):
     """Database implementation for diaper change log data access.
-    
+
     Works with both SQLite and PostgreSQL databases.
     """
 

src/baby_monitor/repositories/feeding/sqlite_feeding.py

@@ -16,7 +16,7 @@ from baby_monitor.models.db.child_parent import ChildParent
 
 class DatabaseFeedingRepository(FeedingRepositoryInterface):
     """Database implementation for feeding log data access.
-    
+
     Works with both SQLite and PostgreSQL databases.
     """
 

src/baby_monitor/repositories/invitation/sqlite_invitation.py

@@ -19,7 +19,7 @@ from baby_monitor.repositories.interfaces import (
 
 class DatabaseInvitationRepository(InvitationRepositoryInterface):
     """Database implementation for managing invitation tokens.
-    
+
     Works with both SQLite and PostgreSQL databases.
     """
 
@@ -30,10 +30,10 @@ class DatabaseInvitationRepository(InvitationRepositoryInterface):
     def _get_now_utc(self, reference_dt: datetime) -> datetime:
         """
         Get current UTC time matching the timezone awareness of reference.
-        
+
         Args:
             reference_dt: A datetime from DB to match timezone format
-        
+
         Returns:
             Current UTC time (naive for SQLite, aware for PostgreSQL)
         """
@@ -82,9 +82,7 @@ class DatabaseInvitationRepository(InvitationRepositoryInterface):
         Returns:
             True if valid and not consumed, False otherwise
         """
-        invitation = self.db.query(Invitation).filter(
-            Invitation.token == token
-        ).first()
+        invitation = self.db.query(Invitation).filter(Invitation.token == token).first()
 
         if not invitation:
             return False
@@ -110,9 +108,7 @@ class DatabaseInvitationRepository(InvitationRepositoryInterface):
         Returns:
             True if successfully consumed, False if invalid or already used
         """
-        invitation = self.db.query(Invitation).filter(
-            Invitation.token == token
-        ).first()
+        invitation = self.db.query(Invitation).filter(Invitation.token == token).first()
 
         if not invitation:
             return False
@@ -143,8 +139,6 @@ class DatabaseInvitationRepository(InvitationRepositoryInterface):
         else:
             # No invitations, use naive UTC (safe default)
             now_utc = datetime.now(UTC).replace(tzinfo=None)
-        
-        self.db.query(Invitation).filter(
-            Invitation.expires_at < now_utc
-        ).delete()
+
+        self.db.query(Invitation).filter(Invitation.expires_at < now_utc).delete()
         self.db.commit()

src/baby_monitor/repositories/sleep/sqlite_sleep.py

@@ -16,7 +16,7 @@ from baby_monitor.models.db.child_parent import ChildParent
 
 class DatabaseSleepRepository(SleepRepositoryInterface):
     """Database implementation for sleep log data access.
-    
+
     Works with both SQLite and PostgreSQL databases.
     """
 

src/baby_monitor/repositories/user/sqlite_user.py

@@ -11,7 +11,7 @@ from baby_monitor.models.db.user import User
 
 class DatabaseUserRepository(UserRepositoryInterface):
     """Database-based user repository.
-    
+
     Works with both SQLite and PostgreSQL databases.
     """
 

src/baby_monitor/routers/child.py

@@ -10,7 +10,7 @@ from baby_monitor.models.child import CreateChildRequest, ChildResponse
 from baby_monitor.routers.auth import verify_token
 from baby_monitor.repositories.interfaces import (
     ChildRepositoryInterface,
-    ChildInvitationRepositoryInterface
+    ChildInvitationRepositoryInterface,
 )
 from baby_monitor.repositories.dependencies import (
     get_child_repository,
@@ -45,9 +45,7 @@ class RedeemChildInvitationRequest(BaseModel):
 def create_child(
     request: CreateChildRequest,
     user_id: Annotated[int, Depends(verify_token)],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> ChildResponse:
     """Create a new child for the authenticated user."""
     child = child_repo.create(
@@ -63,9 +61,7 @@ def create_child(
 @router.get("", response_model=list[ChildResponse])
 def get_user_children(
     user_id: Annotated[int, Depends(verify_token)],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> list[ChildResponse]:
     """Get all children for the authenticated user."""
     children = child_repo.get_by_user_id(user_id)
@@ -76,9 +72,7 @@ def get_user_children(
 def get_child(
     child_id: int,
     user_id: Annotated[int, Depends(verify_token)],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> ChildResponse:
     """Get a specific child by ID."""
     child = child_repo.get_by_id(child_id)
@@ -99,9 +93,7 @@ def update_child(
     child_id: int,
     request: CreateChildRequest,
     user_id: Annotated[int, Depends(verify_token)],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> ChildResponse:
     """Update a child's information."""
     # First check if child exists and belongs to user
@@ -132,9 +124,7 @@ def update_child(
 def create_child_invitation(
     request: CreateChildInvitationRequest,
     user_id: Annotated[int, Depends(verify_token)],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
     invitation_repo: Annotated[
         ChildInvitationRepositoryInterface,
         Depends(get_child_invitation_repository),
@@ -176,9 +166,7 @@ def create_child_invitation(
 def redeem_child_invitation(
     request: RedeemChildInvitationRequest,
     user_id: Annotated[int, Depends(verify_token)],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
     invitation_repo: Annotated[
         ChildInvitationRepositoryInterface,
         Depends(get_child_invitation_repository),

src/baby_monitor/routers/diaper_change.py

@@ -29,9 +29,7 @@ def create_diaper_change(
     diaper_repo: Annotated[
         DiaperChangeRepositoryInterface, Depends(get_diaper_change_repository)
     ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> DiaperChangeResponse:
     """Create a new diaper change log entry."""
     # Verify the child belongs to the authenticated user
@@ -68,9 +66,7 @@ def get_diaper_change(
     diaper_repo: Annotated[
         DiaperChangeRepositoryInterface, Depends(get_diaper_change_repository)
     ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> DiaperChangeResponse:
     """Get a specific diaper change log by ID."""
     diaper_change = diaper_repo.get_by_id(diaper_change_id)
@@ -92,9 +88,7 @@ def update_diaper_change(
     diaper_repo: Annotated[
         DiaperChangeRepositoryInterface, Depends(get_diaper_change_repository)
     ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> DiaperChangeResponse:
     """Update an existing diaper change log."""
     diaper_change = diaper_repo.get_by_id(diaper_change_id)
@@ -129,9 +123,7 @@ def delete_diaper_change(
     diaper_repo: Annotated[
         DiaperChangeRepositoryInterface, Depends(get_diaper_change_repository)
     ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> None:
     """Delete a diaper change log."""
     diaper_change = diaper_repo.get_by_id(diaper_change_id)

src/baby_monitor/routers/feeding.py

@@ -29,9 +29,7 @@ def create_feeding(
     feeding_repo: Annotated[
         FeedingRepositoryInterface, Depends(get_feeding_repository)
     ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> FeedingResponse:
     """Create a new feeding log entry."""
     # Verify the child belongs to the authenticated user
@@ -53,9 +51,7 @@ def get_active_feeding(
     feeding_repo: Annotated[
         FeedingRepositoryInterface, Depends(get_feeding_repository)
     ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> FeedingResponse | None:
     """Get the current active feeding (where end_time is null) for the user."""
     feedings = feeding_repo.get_by_user_id(user_id)
@@ -92,9 +88,7 @@ def get_feeding(
     feeding_repo: Annotated[
         FeedingRepositoryInterface, Depends(get_feeding_repository)
     ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> FeedingResponse:
     """Get a specific feeding log by ID."""
     feeding = feeding_repo.get_by_id(feeding_id)
@@ -116,9 +110,7 @@ def update_feeding(
     feeding_repo: Annotated[
         FeedingRepositoryInterface, Depends(get_feeding_repository)
     ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> FeedingResponse:
     """Update a feeding log entry."""
     feeding = feeding_repo.get_by_id(feeding_id)
@@ -130,9 +122,7 @@ def update_feeding(
     verify_child_access(child_repo, feeding["child_id"], user_id)
 
     # Update the feeding
-    feeding_type_value = (
-        request.feeding_type.value if request.feeding_type else None
-    )
+    feeding_type_value = request.feeding_type.value if request.feeding_type else None
     updated_feeding = feeding_repo.update(
         feeding_id=feeding_id,
         start_time=request.start_time,
@@ -153,9 +143,7 @@ def delete_feeding(
     feeding_repo: Annotated[
         FeedingRepositoryInterface, Depends(get_feeding_repository)
     ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> None:
     """Delete a feeding log entry."""
     feeding = feeding_repo.get_by_id(feeding_id)

src/baby_monitor/routers/sleep.py

@@ -26,12 +26,8 @@ router = APIRouter(prefix="/api/sleep", tags=["sleep"])
 def create_sleep(
     request: CreateSleepRequest,
     user_id: Annotated[int, Depends(verify_token)],
-    sleep_repo: Annotated[
-        SleepRepositoryInterface, Depends(get_sleep_repository)
-    ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    sleep_repo: Annotated[SleepRepositoryInterface, Depends(get_sleep_repository)],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> SleepResponse:
     """Create a new sleep log entry."""
     # Verify the child belongs to the authenticated user
@@ -48,12 +44,8 @@ def create_sleep(
 @router.get("/active", response_model=SleepResponse | None)
 def get_active_sleep(
     user_id: Annotated[int, Depends(verify_token)],
-    sleep_repo: Annotated[
-        SleepRepositoryInterface, Depends(get_sleep_repository)
-    ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    sleep_repo: Annotated[SleepRepositoryInterface, Depends(get_sleep_repository)],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> SleepResponse | None:
     """Get the current active sleep (where end_time is null) for the user."""
     sleeps = sleep_repo.get_by_user_id(user_id)
@@ -74,9 +66,7 @@ def get_active_sleep(
 @router.get("", response_model=list[SleepResponse])
 def get_user_sleeps(
     user_id: Annotated[int, Depends(verify_token)],
-    sleep_repo: Annotated[
-        SleepRepositoryInterface, Depends(get_sleep_repository)
-    ],
+    sleep_repo: Annotated[SleepRepositoryInterface, Depends(get_sleep_repository)],
 ) -> list[SleepResponse]:
     """Get all sleep logs for the authenticated user's children."""
     sleeps = sleep_repo.get_by_user_id(user_id)
@@ -87,12 +77,8 @@ def get_user_sleeps(
 def get_sleep(
     sleep_id: int,
     user_id: Annotated[int, Depends(verify_token)],
-    sleep_repo: Annotated[
-        SleepRepositoryInterface, Depends(get_sleep_repository)
-    ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    sleep_repo: Annotated[SleepRepositoryInterface, Depends(get_sleep_repository)],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> SleepResponse:
     """Get a specific sleep log by ID."""
     sleep = sleep_repo.get_by_id(sleep_id)
@@ -111,12 +97,8 @@ def update_sleep(
     sleep_id: int,
     request: UpdateSleepRequest,
     user_id: Annotated[int, Depends(verify_token)],
-    sleep_repo: Annotated[
-        SleepRepositoryInterface, Depends(get_sleep_repository)
-    ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    sleep_repo: Annotated[SleepRepositoryInterface, Depends(get_sleep_repository)],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> SleepResponse:
     """Update an existing sleep log."""
     sleep = sleep_repo.get_by_id(sleep_id)
@@ -142,12 +124,8 @@ def update_sleep(
 def delete_sleep(
     sleep_id: int,
     user_id: Annotated[int, Depends(verify_token)],
-    sleep_repo: Annotated[
-        SleepRepositoryInterface, Depends(get_sleep_repository)
-    ],
-    child_repo: Annotated[
-        ChildRepositoryInterface, Depends(get_child_repository)
-    ],
+    sleep_repo: Annotated[SleepRepositoryInterface, Depends(get_sleep_repository)],
+    child_repo: Annotated[ChildRepositoryInterface, Depends(get_child_repository)],
 ) -> None:
     """Delete a sleep log."""
     sleep = sleep_repo.get_by_id(sleep_id)

src/baby_monitor/static/add-child.html

@@ -192,12 +192,20 @@
           Cancel
         </button>
       </form>
-      
-      <div id="skipOption" style="text-align: center; margin-top: 20px; display: none;">
-        <p style="color: #666; font-size: 14px; margin-bottom: 10px;">
+
+      <div
+        id="skipOption"
+        style="text-align: center; margin-top: 20px; display: none"
+      >
+        <p style="color: #666; font-size: 14px; margin-bottom: 10px">
           Want to accept a child share invitation first?
         </p>
-        <button type="button" class="button secondary" onclick="skipToHome()" style="margin: 0;">
+        <button
+          type="button"
+          class="button secondary"
+          onclick="skipToHome()"
+          style="margin: 0"
+        >
           Skip for now
         </button>
       </div>

src/baby_monitor/static/diapers.html

@@ -267,7 +267,8 @@
 
       let allDiaperChanges = [];
       let allChildren = [];
-      let currentDaysRange = parseInt(localStorage.getItem("lastDiaperTimeRange")) || 7;
+      let currentDaysRange =
+        parseInt(localStorage.getItem("lastDiaperTimeRange")) || 7;
       let selectedChildId = null; // null means "All Children"
 
       // Restore last selected child from localStorage
@@ -640,8 +641,8 @@
           // Create 8 three-hour buckets
           for (let i = 7; i >= 0; i--) {
             const periodStart = new Date(now);
-            periodStart.setHours(periodStart.getHours() - (i * 3), 0, 0, 0);
-            
+            periodStart.setHours(periodStart.getHours() - i * 3, 0, 0, 0);
+
             const periodEnd = new Date(periodStart);
             periodEnd.setHours(periodEnd.getHours() + 3);
 
@@ -675,8 +676,8 @@
           // Show 8-hour aggregates for 3 days (9 buckets total)
           for (let i = 8; i >= 0; i--) {
             const periodStart = new Date(now);
-            periodStart.setHours(periodStart.getHours() - (i * 8), 0, 0, 0);
-            
+            periodStart.setHours(periodStart.getHours() - i * 8, 0, 0, 0);
+
             const periodEnd = new Date(periodStart);
             periodEnd.setHours(periodEnd.getHours() + 8);
 

src/baby_monitor/static/feedings.html

@@ -304,7 +304,8 @@
 
       let allFeedings = [];
       let allChildren = [];
-      let currentDaysRange = parseInt(localStorage.getItem("lastFeedingTimeRange")) || 7;
+      let currentDaysRange =
+        parseInt(localStorage.getItem("lastFeedingTimeRange")) || 7;
       let selectedChildId = null; // null means "All Children"
       let barChartInstance = null;
 
@@ -672,15 +673,15 @@
         }
 
         // Only use completed feedings
-        const completedFeedings = filteredFeedings.filter(f => f.end_time);
+        const completedFeedings = filteredFeedings.filter((f) => f.end_time);
 
         // If 24 hours selected, show 3-hour aggregates
         if (currentDaysRange === 1) {
           // Create 8 three-hour buckets
           for (let i = 7; i >= 0; i--) {
             const periodStart = new Date(now);
-            periodStart.setHours(periodStart.getHours() - (i * 3), 0, 0, 0);
-            
+            periodStart.setHours(periodStart.getHours() - i * 3, 0, 0, 0);
+
             const periodEnd = new Date(periodStart);
             periodEnd.setHours(periodEnd.getHours() + 3);
 
@@ -699,13 +700,13 @@
               const feedingDate = new Date(f.start_time);
               return feedingDate >= periodStart && feedingDate < periodEnd;
             });
-            
-            const feedingDurations = periodFeedings.map(feeding => {
+
+            const feedingDurations = periodFeedings.map((feeding) => {
               const start = new Date(feeding.start_time);
               const end = new Date(feeding.end_time);
               return (end - start) / 60000; // Convert to minutes
             });
-            
+
             durations.push(feedingDurations);
             feedingCounts.push(periodFeedings.length);
           }
@@ -713,8 +714,8 @@
           // Show 8-hour aggregates for 3 days (9 buckets total)
           for (let i = 8; i >= 0; i--) {
             const periodStart = new Date(now);
-            periodStart.setHours(periodStart.getHours() - (i * 8), 0, 0, 0);
-            
+            periodStart.setHours(periodStart.getHours() - i * 8, 0, 0, 0);
+
             const periodEnd = new Date(periodStart);
             periodEnd.setHours(periodEnd.getHours() + 8);
 
@@ -739,13 +740,13 @@
               const feedingDate = new Date(f.start_time);
               return feedingDate >= periodStart && feedingDate < periodEnd;
             });
-            
-            const feedingDurations = periodFeedings.map(feeding => {
+
+            const feedingDurations = periodFeedings.map((feeding) => {
               const start = new Date(feeding.start_time);
               const end = new Date(feeding.end_time);
               return (end - start) / 60000; // Convert to minutes
             });
-            
+
             durations.push(feedingDurations);
             feedingCounts.push(periodFeedings.length);
           }
@@ -770,13 +771,13 @@
               const feedingDate = new Date(f.start_time);
               return feedingDate >= date && feedingDate < nextDay;
             });
-            
-            const feedingDurations = dayFeedings.map(feeding => {
+
+            const feedingDurations = dayFeedings.map((feeding) => {
               const start = new Date(feeding.start_time);
               const end = new Date(feeding.end_time);
               return (end - start) / 60000; // Convert to minutes
             });
-            
+
             durations.push(feedingDurations);
             feedingCounts.push(dayFeedings.length);
           }
@@ -794,7 +795,10 @@
         }
 
         // Find the maximum number of feedings in any period
-        const maxFeedings = Math.max(...chartData.durations.map(d => d.length), 0);
+        const maxFeedings = Math.max(
+          ...chartData.durations.map((d) => d.length),
+          0,
+        );
 
         // If no feedings at all, show empty chart
         if (maxFeedings === 0) {
@@ -802,11 +806,13 @@
             type: "bar",
             data: {
               labels: chartData.labels,
-              datasets: [{
-                label: "No Data",
-                data: new Array(chartData.labels.length).fill(0),
-                backgroundColor: "rgba(102, 126, 234, 0.3)",
-              }],
+              datasets: [
+                {
+                  label: "No Data",
+                  data: new Array(chartData.labels.length).fill(0),
+                  backgroundColor: "rgba(102, 126, 234, 0.3)",
+                },
+              ],
             },
             options: {
               responsive: true,
@@ -833,30 +839,32 @@
 
         // Create color palette for different feedings
         const colors = [
-          'rgba(102, 126, 234, 0.8)',
-          'rgba(118, 75, 162, 0.8)',
-          'rgba(255, 159, 64, 0.8)',
-          'rgba(76, 175, 80, 0.8)',
-          'rgba(244, 67, 54, 0.8)',
-          'rgba(156, 39, 176, 0.8)',
-          'rgba(102, 126, 234, 0.6)',
-          'rgba(118, 75, 162, 0.6)',
-          'rgba(255, 159, 64, 0.6)',
-          'rgba(76, 175, 80, 0.6)',
+          "rgba(102, 126, 234, 0.8)",
+          "rgba(118, 75, 162, 0.8)",
+          "rgba(255, 159, 64, 0.8)",
+          "rgba(76, 175, 80, 0.8)",
+          "rgba(244, 67, 54, 0.8)",
+          "rgba(156, 39, 176, 0.8)",
+          "rgba(102, 126, 234, 0.6)",
+          "rgba(118, 75, 162, 0.6)",
+          "rgba(255, 159, 64, 0.6)",
+          "rgba(76, 175, 80, 0.6)",
         ];
 
         // Create datasets - one for each feeding position
         const datasets = [];
         for (let feedingIndex = 0; feedingIndex < maxFeedings; feedingIndex++) {
-          const dataForFeeding = chartData.durations.map(periodDurations => 
-            periodDurations[feedingIndex] || 0
+          const dataForFeeding = chartData.durations.map(
+            (periodDurations) => periodDurations[feedingIndex] || 0,
           );
 
           datasets.push({
             label: `Feeding ${feedingIndex + 1}`,
             data: dataForFeeding,
             backgroundColor: colors[feedingIndex % colors.length],
-            borderColor: colors[feedingIndex % colors.length].replace('0.8', '1').replace('0.6', '1'),
+            borderColor: colors[feedingIndex % colors.length]
+              .replace("0.8", "1")
+              .replace("0.6", "1"),
             borderWidth: 1,
           });
         }
@@ -897,9 +905,9 @@
                   font: {
                     size: 12,
                   },
-                  callback: function(value) {
-                    return Math.round(value) + 'm';
-                  }
+                  callback: function (value) {
+                    return Math.round(value) + "m";
+                  },
                 },
                 grid: {
                   color: "rgba(0, 0, 0, 0.05)",
@@ -920,17 +928,19 @@
                   size: 13,
                 },
                 callbacks: {
-                  label: function(context) {
+                  label: function (context) {
                     const minutes = Math.round(context.parsed.y);
                     return `${context.dataset.label}: ${minutes}m`;
                   },
-                  footer: function(tooltipItems) {
+                  footer: function (tooltipItems) {
                     const periodIndex = tooltipItems[0].dataIndex;
-                    const totalMinutes = chartData.durations[periodIndex].reduce((sum, val) => sum + val, 0);
+                    const totalMinutes = chartData.durations[
+                      periodIndex
+                    ].reduce((sum, val) => sum + val, 0);
                     const feedingCount = chartData.feedingCounts[periodIndex];
-                    return `Total: ${Math.round(totalMinutes)}m (${feedingCount} feeding${feedingCount !== 1 ? 's' : ''})`;
-                  }
-                }
+                    return `Total: ${Math.round(totalMinutes)}m (${feedingCount} feeding${feedingCount !== 1 ? "s" : ""})`;
+                  },
+                },
               },
             },
           },

src/baby_monitor/static/sleep.html

@@ -547,15 +547,15 @@
         const sessionCounts = []; // For reference
 
         // Only use completed sleep sessions
-        const completedSessions = sleepSessions.filter(s => s.end_time);
+        const completedSessions = sleepSessions.filter((s) => s.end_time);
 
         // If 24 hours selected, show 3-hour aggregates
         if (timeRange === 1) {
           // Create 8 three-hour buckets
           for (let i = 7; i >= 0; i--) {
             const periodStart = new Date(now);
-            periodStart.setHours(periodStart.getHours() - (i * 3), 0, 0, 0);
-            
+            periodStart.setHours(periodStart.getHours() - i * 3, 0, 0, 0);
+
             const periodEnd = new Date(periodStart);
             periodEnd.setHours(periodEnd.getHours() + 3);
 
@@ -574,11 +574,12 @@
               const startDate = new Date(session.start_time);
               return startDate >= periodStart && startDate < periodEnd;
             });
-            
-            const sessionDurations = periodSessions.map(session => 
-              calculateDuration(session.start_time, session.end_time) / 60
+
+            const sessionDurations = periodSessions.map(
+              (session) =>
+                calculateDuration(session.start_time, session.end_time) / 60,
             );
-            
+
             durations.push(sessionDurations);
             sessionCounts.push(periodSessions.length);
           }
@@ -586,8 +587,8 @@
           // Show 8-hour aggregates for 3 days (9 buckets total)
           for (let i = 8; i >= 0; i--) {
             const periodStart = new Date(now);
-            periodStart.setHours(periodStart.getHours() - (i * 8), 0, 0, 0);
-            
+            periodStart.setHours(periodStart.getHours() - i * 8, 0, 0, 0);
+
             const periodEnd = new Date(periodStart);
             periodEnd.setHours(periodEnd.getHours() + 8);
 
@@ -612,11 +613,12 @@
               const startDate = new Date(session.start_time);
               return startDate >= periodStart && startDate < periodEnd;
             });
-            
-            const sessionDurations = periodSessions.map(session => 
-              calculateDuration(session.start_time, session.end_time) / 60
+
+            const sessionDurations = periodSessions.map(
+              (session) =>
+                calculateDuration(session.start_time, session.end_time) / 60,
             );
-            
+
             durations.push(sessionDurations);
             sessionCounts.push(periodSessions.length);
           }
@@ -641,29 +643,39 @@
               const startDate = new Date(session.start_time);
               return startDate >= date && startDate < nextDay;
             });
-            
-            const sessionDurations = daySessions.map(session => {
-              const dur = calculateDuration(session.start_time, session.end_time) / 60;
-              console.log(`  Session: ${session.start_time} to ${session.end_time}, duration: ${dur} hours (${calculateDuration(session.start_time, session.end_time)} minutes)`);
+
+            const sessionDurations = daySessions.map((session) => {
+              const dur =
+                calculateDuration(session.start_time, session.end_time) / 60;
+              console.log(
+                `  Session: ${session.start_time} to ${session.end_time}, duration: ${dur} hours (${calculateDuration(session.start_time, session.end_time)} minutes)`,
+              );
               return dur;
             });
-            
-            console.log(`${dateStr}: ${daySessions.length} sessions, durations:`, sessionDurations);
-            
+
+            console.log(
+              `${dateStr}: ${daySessions.length} sessions, durations:`,
+              sessionDurations,
+            );
+
             durations.push(sessionDurations);
             sessionCounts.push(daySessions.length);
           }
         }
 
-        console.log('Final prepareBarChartData result:', { labels, durations, sessionCounts });
-        
+        console.log("Final prepareBarChartData result:", {
+          labels,
+          durations,
+          sessionCounts,
+        });
+
         // Log the actual duration values for debugging
         durations.forEach((periodDurations, idx) => {
           if (periodDurations.length > 0) {
             console.log(`  ${labels[idx]}: durations =`, periodDurations);
           }
         });
-        
+
         return { labels, durations, sessionCounts };
       }
 
@@ -699,31 +711,36 @@
 
       function renderBarChart(chartData) {
         const ctx = document.getElementById("barChart");
-        
+
         // Destroy existing chart if it exists
         if (barChartInstance) {
           barChartInstance.destroy();
         }
-        
+
         // Debug: Log the data
-        console.log('Bar chart data:', chartData);
-        
+        console.log("Bar chart data:", chartData);
+
         // Find the maximum number of sessions in any period
-        const maxSessions = Math.max(...chartData.durations.map(d => d.length), 0);
-        
-        console.log('Max sessions:', maxSessions);
-        
+        const maxSessions = Math.max(
+          ...chartData.durations.map((d) => d.length),
+          0,
+        );
+
+        console.log("Max sessions:", maxSessions);
+
         // If no sessions at all, show empty chart
         if (maxSessions === 0) {
           barChartInstance = new Chart(ctx, {
             type: "bar",
             data: {
               labels: chartData.labels,
-              datasets: [{
-                label: "No Data",
-                data: new Array(chartData.labels.length).fill(0),
-                backgroundColor: "rgba(79, 172, 254, 0.3)",
-              }],
+              datasets: [
+                {
+                  label: "No Data",
+                  data: new Array(chartData.labels.length).fill(0),
+                  backgroundColor: "rgba(79, 172, 254, 0.3)",
+                },
+              ],
             },
             options: {
               responsive: true,
@@ -747,57 +764,64 @@
           });
           return;
         }
-        
+
         // Create color palette for different sessions
         const colors = [
-          'rgba(79, 172, 254, 0.8)',
-          'rgba(0, 242, 254, 0.8)',
-          'rgba(58, 155, 232, 0.8)',
-          'rgba(32, 137, 220, 0.8)',
-          'rgba(21, 119, 208, 0.8)',
-          'rgba(11, 101, 196, 0.8)',
-          'rgba(79, 172, 254, 0.6)',
-          'rgba(0, 242, 254, 0.6)',
-          'rgba(58, 155, 232, 0.6)',
-          'rgba(32, 137, 220, 0.6)',
+          "rgba(79, 172, 254, 0.8)",
+          "rgba(0, 242, 254, 0.8)",
+          "rgba(58, 155, 232, 0.8)",
+          "rgba(32, 137, 220, 0.8)",
+          "rgba(21, 119, 208, 0.8)",
+          "rgba(11, 101, 196, 0.8)",
+          "rgba(79, 172, 254, 0.6)",
+          "rgba(0, 242, 254, 0.6)",
+          "rgba(58, 155, 232, 0.6)",
+          "rgba(32, 137, 220, 0.6)",
         ];
-        
+
         // Create datasets - one for each session position
         const datasets = [];
         for (let sessionIndex = 0; sessionIndex < maxSessions; sessionIndex++) {
-          const dataForSession = chartData.durations.map(periodDurations => 
-            periodDurations[sessionIndex] || 0
+          const dataForSession = chartData.durations.map(
+            (periodDurations) => periodDurations[sessionIndex] || 0,
           );
-          
+
           console.log(`Session ${sessionIndex + 1} data:`, dataForSession);
-          
+
           datasets.push({
             label: `Session ${sessionIndex + 1}`,
             data: dataForSession,
             backgroundColor: colors[sessionIndex % colors.length],
-            borderColor: colors[sessionIndex % colors.length].replace('0.8', '1').replace('0.6', '1'),
+            borderColor: colors[sessionIndex % colors.length]
+              .replace("0.8", "1")
+              .replace("0.6", "1"),
             borderWidth: 1,
           });
         }
-        
-        console.log('Datasets:', datasets);
-        
+
+        console.log("Datasets:", datasets);
+
         // Determine the maximum total duration across all periods (in hours)
-        const maxDuration = Math.max(...chartData.durations.map(periodDurations => 
-          periodDurations.reduce((sum, val) => sum + val, 0)
-        ), 0);
-        
-        console.log('Max duration (hours):', maxDuration);
-        
+        const maxDuration = Math.max(
+          ...chartData.durations.map((periodDurations) =>
+            periodDurations.reduce((sum, val) => sum + val, 0),
+          ),
+          0,
+        );
+
+        console.log("Max duration (hours):", maxDuration);
+
         // Decide whether to use minutes or hours based on max duration
         const useMinutes = maxDuration < 2; // Use minutes if max is less than 2 hours
-        
+
         // Convert data to minutes if needed
-        const finalDatasets = useMinutes ? datasets.map(dataset => ({
-          ...dataset,
-          data: dataset.data.map(hours => hours * 60) // Convert hours to minutes
-        })) : datasets;
-        
+        const finalDatasets = useMinutes
+          ? datasets.map((dataset) => ({
+              ...dataset,
+              data: dataset.data.map((hours) => hours * 60), // Convert hours to minutes
+            }))
+          : datasets;
+
         barChartInstance = new Chart(ctx, {
           type: "bar",
           data: {
@@ -819,13 +843,13 @@
                   text: useMinutes ? "Minutes" : "Hours",
                 },
                 ticks: {
-                  callback: function(value) {
+                  callback: function (value) {
                     if (useMinutes) {
-                      return Math.round(value) + 'm';
+                      return Math.round(value) + "m";
                     } else {
-                      return value.toFixed(1) + 'h';
+                      return value.toFixed(1) + "h";
                     }
-                  }
+                  },
                 },
               },
             },
@@ -835,8 +859,10 @@
               },
               tooltip: {
                 callbacks: {
-                  label: function(context) {
-                    const value = useMinutes ? context.parsed.y / 60 : context.parsed.y;
+                  label: function (context) {
+                    const value = useMinutes
+                      ? context.parsed.y / 60
+                      : context.parsed.y;
                     const hours = Math.floor(value);
                     const minutes = Math.round((value - hours) * 60);
                     if (hours === 0) {
@@ -844,18 +870,21 @@
                     }
                     return `${context.dataset.label}: ${hours}h ${minutes}m`;
                   },
-                  footer: function(tooltipItems) {
+                  footer: function (tooltipItems) {
                     const periodIndex = tooltipItems[0].dataIndex;
-                    const totalHours = chartData.durations[periodIndex].reduce((sum, val) => sum + val, 0);
+                    const totalHours = chartData.durations[periodIndex].reduce(
+                      (sum, val) => sum + val,
+                      0,
+                    );
                     const hours = Math.floor(totalHours);
                     const minutes = Math.round((totalHours - hours) * 60);
                     const sessionCount = chartData.sessionCounts[periodIndex];
                     if (hours === 0) {
-                      return `Total: ${minutes}m (${sessionCount} session${sessionCount !== 1 ? 's' : ''})`;
+                      return `Total: ${minutes}m (${sessionCount} session${sessionCount !== 1 ? "s" : ""})`;
                     }
-                    return `Total: ${hours}h ${minutes}m (${sessionCount} session${sessionCount !== 1 ? 's' : ''})`;
-                  }
-                }
+                    return `Total: ${hours}h ${minutes}m (${sessionCount} session${sessionCount !== 1 ? "s" : ""})`;
+                  },
+                },
               },
             },
           },
@@ -864,12 +893,12 @@
 
       function renderDurationChart(chartData) {
         const ctx = document.getElementById("durationChart");
-        
+
         // Destroy existing chart if it exists
         if (durationChartInstance) {
           durationChartInstance.destroy();
         }
-        
+
         durationChartInstance = new Chart(ctx, {
           type: "pie",
           data: {
@@ -905,7 +934,7 @@
         if (avgDurationChartInstance) {
           avgDurationChartInstance.destroy();
         }
-        
+
         const days = {};
         const today = new Date();
         today.setHours(0, 0, 0, 0);

src/baby_monitor/utils/__init__.py

@@ -1,4 +1,5 @@
 """Utility functions for the baby monitor application."""
+
 from .hash_password import hash_password
 from .verify_child_access import verify_child_access
 from .verify_password import verify_password